Move webpreferences.* from webkit/ to content/

BUG=338338
TEST=None
[email protected]
[email protected] # for android_webview
[email protected] # for components/plugins
[email protected] # for ppapi

Review URL: https://codereview.chromium.org/357203003

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@281978 0039d316-1c4b-4281-b951-d872f2087c98
diff --git a/chrome/browser/extensions/extension_webkit_preferences.h b/chrome/browser/extensions/extension_webkit_preferences.h
index fb52df1..0675287 100644
--- a/chrome/browser/extensions/extension_webkit_preferences.h
+++ b/chrome/browser/extensions/extension_webkit_preferences.h
@@ -7,7 +7,9 @@
 
 #include "extensions/common/view_type.h"
 
+namespace content {
 struct WebPreferences;
+}
 
 namespace extensions {
 class Extension;
@@ -17,7 +19,7 @@
 
 void SetPreferences(const extensions::Extension* extension,
                     extensions::ViewType render_view_type,
-                    WebPreferences* webkit_prefs);
+                    content::WebPreferences* webkit_prefs);
 
 }  // namespace extension_webkit_preferences